We are given the following information
Investment = $5200
Annual interest rate = 4.2% = 0.042
Final amount = $16,500
Number of years = 27.7 years
Number of compoudings = quartely = 4
The student uses the following model

The general formula for compound interest is given by

As you can see, the number of compoundings is incorrect (3 vs 4)
The interest rate is also incorrect.
Let us substitute the given values into the above formula

Therefore, the final amount is approximately $16,543.5
Answer:
The answer is A
Step-by-step explanation:
I draw a graph
First one m = .0666666
second one i don't know
third one is .1
The ratio here is
3/4 cup milk 6 cups milk
-------------------- Now equate this to -----------------
1 beaten egg x
Solving this equation, (3/4)x = 6, and x = 8 (eggs) (answer)
Check: Note that 3/4 / 1 = 6 / 8
I'm confused because the answer is 220 quarts.
If you look at the other one you asked, I explained it.